<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>05-哈根达斯案例</title>
    <style>
         *{
             margin: 0;
             padding: 0;
         }
         .box{
             width: 330px;
             height: 200px;
             border: 1px solid gray;
             padding: 10px;
             position: relative;
         }
         .top{
             position: absolute;
             left: 0;
             top: 0;
         }
         .bottom{
             position: absolute;
             right: 0;
             bottom: 0;
         }
         .ad{
             width: 330px;
             height: 200px;
         }
    </style>
</head>
<body>
    <div class="box">
        <img src="image/top_img.gif" class="top">
        <img src="image/advertisement.jpg" class="ad">
        <img src="image/bottom_img.gif" class="bottom">
    </div>
</body>
</html>